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f5744d66e0
This adds support for the new family of conditional selection / increment / negation instructions; the low-overhead branch instructions (e.g. BF, WLS, DLS); the CLRM instruction to zero a whole list of registers at once; the new VMRS/VMSR and VLDR/VSTR instructions to get data in and out of 8.1-M system registers, particularly including the new VPR register used by MVE vector predication. To support this, we also add a register name 'zr' (used by the CSEL family to force one of the inputs to the constant 0), and operand types for lists of registers that are also allowed to include APSR or VPR (used by CLRM). The VLDR/VSTR instructions also need a new addressing mode. The low-overhead branch instructions exist in their own separate architecture extension, which we treat as enabled by default, but you can say -mattr=-lob or equivalent to turn it off. Reviewers: dmgreen, samparker, SjoerdMeijer, t.p.northover Reviewed By: samparker Subscribers: miyuki, javed.absar, kristof.beyls, hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D62667 llvm-svn: 363039
99 lines
4.9 KiB
Plaintext
99 lines
4.9 KiB
Plaintext
# RUN: llvm-mc -triple=thumbv8.1m.main-none-eabi -mattr=+8msecext,+mve -show-encoding -disassemble < %s \
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# RUN: | FileCheck --check-prefix=CHECK %s
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# RUN: not llvm-mc -triple=thumbv8.1m.main-none-eabi -mattr=-8msecext,+mve -show-encoding -disassemble < %s 2>%t \
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# RUN: | FileCheck --check-prefix=CHECK-NOSEC %s
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# RUN: FileCheck --check-prefix=ERROR-NOSEC < %t %s
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# RUN: not llvm-mc -triple=thumbv8.1m.main-none-eabi -mattr=+8msecext,-mve,+vfp2 -show-encoding -disassemble < %s 2> %t \
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# RUN: | FileCheck --check-prefix=CHECK-NOMVE %s
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# RUN: FileCheck --check-prefix=ERROR-NOMVE < %t %s
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# RUN: llvm-mc -triple=thumbv8.1m.main-none-eabi -mattr=+8msecext,+mve,-vfp2 -show-encoding -disassemble < %s \
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# RUN: | FileCheck --check-prefix=CHECK-NOVFP %s
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# RUN: not llvm-mc -triple=thumbv8.1m.main-none-eabi -mattr=-8msecext,-mve,-vfp2 -show-encoding -disassemble < %s 2> %t
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# RUN: FileCheck --check-prefix=ERROR-NONE < %t %s
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# RUN: not llvm-mc -triple=thumbv8m.main-none-eabi -mattr=+8msecext,+vfp2 -show-encoding -disassemble < %s 2> %t
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# RUN: FileCheck --check-prefix=ERROR-V8M < %t %s
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# ERROR-V8M: invalid instruction encoding
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# ERROR-NONE: invalid instruction encoding
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# CHECK-NOVFP: vmsr fpscr_nzcvqc, r0 @ encoding: [0xe2,0xee,0x10,0x0a]
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# CHECK-NOMVE: vmsr fpscr_nzcvqc, r0 @ encoding: [0xe2,0xee,0x10,0x0a]
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# CHECK-NOSEC: vmsr fpscr_nzcvqc, r0 @ encoding: [0xe2,0xee,0x10,0x0a]
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# CHECK: vmsr fpscr_nzcvqc, r0 @ encoding: [0xe2,0xee,0x10,0x0a]
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[0xe2,0xee,0x10,0x0a]
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# ERROR-V8M: invalid instruction encoding
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# ERROR-NONE: invalid instruction encoding
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# CHECK-NOVFP: vmrs r10, fpscr_nzcvqc @ encoding: [0xf2,0xee,0x10,0xaa]
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# CHECK-NOMVE: vmrs r10, fpscr_nzcvqc @ encoding: [0xf2,0xee,0x10,0xaa]
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# CHECK-NOSEC: vmrs r10, fpscr_nzcvqc @ encoding: [0xf2,0xee,0x10,0xaa]
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# CHECK: vmrs r10, fpscr_nzcvqc @ encoding: [0xf2,0xee,0x10,0xaa]
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[0xf2,0xee,0x10,0xaa]
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# ERROR-V8M: invalid instruction encoding
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# ERROR-NONE: invalid instruction encoding
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# CHECK-NOVFP: vmrs r0, fpcxtns @ encoding: [0xfe,0xee,0x10,0x0a]
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# CHECK-NOMVE: vmrs r0, fpcxtns @ encoding: [0xfe,0xee,0x10,0x0a]
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# ERROR-NOSEC: invalid instruction encoding
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# CHECK: vmrs r0, fpcxtns @ encoding: [0xfe,0xee,0x10,0x0a]
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[0xfe,0xee,0x10,0x0a]
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# ERROR-V8M: invalid instruction encoding
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# ERROR-NONE: invalid instruction encoding
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# CHECK-NOVFP: vmsr fpcxtns, r10 @ encoding: [0xee,0xee,0x10,0xaa]
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# CHECK-NOMVE: vmsr fpcxtns, r10 @ encoding: [0xee,0xee,0x10,0xaa]
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# ERROR-NOSEC: invalid instruction encoding
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# CHECK: vmsr fpcxtns, r10 @ encoding: [0xee,0xee,0x10,0xaa]
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[0xee,0xee,0x10,0xaa]
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# ERROR-V8M: invalid instruction encoding
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# ERROR-NONE: invalid instruction encoding
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# CHECK-NOVFP: vmsr fpcxts, r5 @ encoding: [0xef,0xee,0x10,0x5a]
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# CHECK-NOMVE: vmsr fpcxts, r5 @ encoding: [0xef,0xee,0x10,0x5a]
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# ERROR-NOSEC: invalid instruction encoding
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# CHECK: vmsr fpcxts, r5 @ encoding: [0xef,0xee,0x10,0x5a]
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[0xef,0xee,0x10,0x5a]
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# ERROR-V8M: invalid instruction encoding
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# ERROR-NONE: invalid instruction encoding
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# CHECK-NOVFP: vmrs r3, fpcxtns @ encoding: [0xfe,0xee,0x10,0x3a]
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# CHECK-NOMVE: vmrs r3, fpcxtns @ encoding: [0xfe,0xee,0x10,0x3a]
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# ERROR-NOSEC: invalid instruction encoding
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# CHECK: vmrs r3, fpcxtns @ encoding: [0xfe,0xee,0x10,0x3a]
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[0xfe,0xee,0x10,0x3a]
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# ERROR-V8M: invalid instruction encoding
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# ERROR-NONE: invalid instruction encoding
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# CHECK-NOVFP: vmrs r0, fpcxts @ encoding: [0xff,0xee,0x10,0x0a]
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# CHECK-NOMVE: vmrs r0, fpcxts @ encoding: [0xff,0xee,0x10,0x0a]
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# ERROR-NOSEC: invalid instruction encoding
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# CHECK: vmrs r0, fpcxts @ encoding: [0xff,0xee,0x10,0x0a]
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[0xff,0xee,0x10,0x0a]
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# ERROR-V8M: invalid instruction encoding
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# ERROR-NONE: invalid instruction encoding
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# ERROR-NOMVE: invalid instruction encoding
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# CHECK-NOSEC: vmrs r0, vpr @ encoding: [0xfc,0xee,0x10,0x0a]
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# CHECK: vmrs r0, vpr @ encoding: [0xfc,0xee,0x10,0x0a]
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[0xfc,0xee,0x10,0x0a]
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# ERROR-V8M: invalid instruction encoding
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# ERROR-NONE: invalid instruction encoding
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# ERROR-NOMVE: invalid instruction encoding
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# CHECK-NOSEC: vmrs r4, p0 @ encoding: [0xfd,0xee,0x10,0x4a]
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# CHECK: vmrs r4, p0 @ encoding: [0xfd,0xee,0x10,0x4a]
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[0xfd,0xee,0x10,0x4a]
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# ERROR-V8M: invalid instruction encoding
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# ERROR-NONE: invalid instruction encoding
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# ERROR-NOMVE: invalid instruction encoding
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# CHECK-NOSEC: vmsr vpr, r0 @ encoding: [0xec,0xee,0x10,0x0a]
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# CHECK: vmsr vpr, r0 @ encoding: [0xec,0xee,0x10,0x0a]
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[0xec,0xee,0x10,0x0a]
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# ERROR-V8M: invalid instruction encoding
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# ERROR-NONE: invalid instruction encoding
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# ERROR-NOMVE: invalid instruction encoding
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# CHECK-NOSEC: vmsr p0, r4 @ encoding: [0xed,0xee,0x10,0x4a]
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# CHECK: vmsr p0, r4 @ encoding: [0xed,0xee,0x10,0x4a]
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[0xed,0xee,0x10,0x4a]
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